<template>
  <div class="login-container">

    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">用户登录</h3>
      </div>

      <!--      el-form-item   el-form-item  el-form-item  el-form-item  el-form-item  el-form-item  st-->
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>

        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />

      </el-form-item>

      <!--      el-form-item   el-form-item  el-form-item  el-form-item  el-form-item  el-form-item  st-->
      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">    <!--  展示密码-->
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <!--      el-form-item   el-form-item  el-form-item  el-form-item  el-form-item  el-form-item  st-->
      <el-form-item prop="code">
        <div class="el-form-item__content" style="margin-left: 0px;">
          <div class="el-row" span="24">
            <div class="el-col el-col-16">
              <div class="el-input el-input--prefix">
                <!---->
                <input
                  v-model="loginForm.code"
                  type="text"
                  autocomplete="off"
                  maxlength="4"
                  placeholder="请输入验证码"
                  class="el-input__inner"
                >
              </div>
            </div>
          </div>
        </div>
      </el-form-item>
      <!--      el-form-item   el-form-item  el-form-item  el-form-item  el-form-item  el-form-item  st-->
      <!--      验证码-->
      <img :src="codeUrl" class="login-code-img" @click="codeOnclick()">
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>

      <!--   /////////    注册按钮    /////////   -->
      <div align="center">
        <el-button type="success" round style="width: 100%" @click="toRegister">注册</el-button>
      </div>

    </el-form>

    <el-dialog title="Or connect with" :visible.sync="showDialog">
      Can not be simulated on local, so please combine you own business simulation! ! !
      <br>
      <br>
      <br>
      <social-sign />
    </el-dialog>

  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
import SocialSign from './components/SocialSignin'

export default {
  name: 'Login',
  components: { SocialSign },
  data() {
    const validateUsername = (rule, value, callback) => {
      callback()
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 5) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: 'admin',
        grant_type: 'password',
        code: '',
        randomStr: ''

      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {},
      codeUrl: ''
    }
  },
  watch: {

    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }

  },
  created() {
    // window.addEve(ntListener('storage', this.afterQRScan)
    this.codeOnclick()
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
  },
  methods: {
    toRegister() {
      console.log('-->前往注册页面')

      this.$store.dispatch('user/login', this.loginForm)
        .then(() => {
          this.$router.push({ path: '/Register', query: this.otherQuery })
          this.loading = false
        })
        .catch(() => {
          this.loading = false
        })
    },
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }

      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    getUserInfo() {
      var $this = this
      this.axios({
        method: 'get',
        url: 'http://localhost:9999/system-management/system/user/info',
        params: { access_token: localStorage.getItem('access_token') }
      }).then(function(res) {
        console.log('认证返回信息:{}', res)
        // eslint-disable-next-line eqeqeq

        // eslint-disable-next-line eqeqeq
        if (res.data.code === '200') {
          console.log('++++++++++++++++++++++++')
          localStorage.setItem('username', res.data.obj.name)
          // $this.$router.replace({ path: '/Home' })
          $this.loading = true

          $this.$store.dispatch('user/login', $this.loginForm)
            .then(() => {
              $this.$router.push({ path: $this.redirect || '/', query: $this.otherQuery })
              $this.loading = false
            })
            .catch(() => {
              $this.loading = false
            })
          console.log('......')
        }
      })// then end
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          var $this = this
          this.axios({
            method: 'post',
            url: 'http://localhost:9999/auth/oauth/token',
            params: this.loginForm,
            auth: {
              username: 'android',
              password: 'android'
            }
          }).then(function(res) {
            console.log('认证返回信息:{}', res)
            localStorage.setItem('access_token', res.data.access_token)
            $this.getUserInfo()
          })
        } else {
          console.log('error submit!!')
          return false
        }//  else   end
      })// vvalidate  end
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    },
    codeOnclick() {
      this.loginForm.randomStr = new Date().getTime()
      this.codeUrl = 'http://localhost:9999/code?randomStr=' + this.loginForm.randomStr
    }
  } //  methods  end
}

</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
